Campbell Scientific NR01 Net Radiometer - Manual (Page 3)

NR01 Table of Contents
PDF viewers note: These page numbers refer to the printed version of this document. Use
the Adobe Acrobat® bookmarks tab for links to specific sections.
1. Introduction..................................................................1
2. Measurement Principle ...............................................3
2.1 General......................................................................................................3
2.2 NR01 Construction ...................................................................................4
2.3 Pyranometers ............................................................................................5
2.4 Pyrgeometers ............................................................................................6
2.5 Expected Measurement Results ................................................................8
2.6 Heating....................................................................................................10
2.7 Data Quality Assurance ..........................................................................10
3. Specifications of NR01..............................................10
3.1 NR01 General Specifications .................................................................11
3.2 SR01 Pyranometer Specifications ..........................................................12
3.3 IR01 Pyrgeometer Specifications ...........................................................13
3.4 Dimensions .............................................................................................14
4. Installation..................................................................14
4.1 Installation ..............................................................................................14
4.2 Electrical Connections ............................................................................16
4.3 Connecting the Sensor to Campbell Scientific Dataloggers ...................17
4.3.1 Connecting and Using the Heater .................................................19
4.4 Installation of the Radiation Shields.......................................................20
4.5 Instrument-Inversion-Test ......................................................................20
5. Datalogger Programming..........................................20
5.1 Calibration Factors..................................................................................21
5.2 Example Programs..................................................................................22
5.2.1 Example 1, CR1000 Using Differential Channels ........................22
5.2.2 Example 2, CR3000/CR5000 Using Differential Channels
(no 4WPB100) ..........................................................................25
5.2.3 Example 3, CR23X Program Using Differential Channels...........27
5.2.4 Example 4, CR23X Program Using Single-Ended Channels .......31
6. Maintenance and Troubleshooting ..........................33
6.1 Maintenance............................................................................................33
6.2 Troubleshooting......................................................................................34
Appendix
A. CR3000 Program that Controls the Heater ........................................... A-1
i